Home / 85,273.17-127,925.55-29,110.20

Finding the Fourth Proportional to 85,273.17, 127,925.55 and 29,110.20

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Solution

The fourth proportional to 85,273.17, 127,925.55 and 29,110.20 is: 43,670.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,273.17 : 127,925.55 = 29,110.20 : x
  2. Step 2: Convert to fraction form
    85,273.17/127,925.55 = 29,110.20/x
  3. Step 3: Cross multiply
    85,273.17x = 127,925.55 × 29,110.20
  4. Step 4: Simplify right side
    85,273.17x = 3,723,938,345.61
  5. Step 5: Solve for x
    x = 3,723,938,345.61/85,273.17
  6. Step 6: Final answer
    x = 43,670.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.